Washington earthquakes

M1.5 earthquake 1 km SE of Edison, Washington

A magnitude 1.5 earthquake struck 1 km SE of Edison, Washington on Wed, Jun 17, 1987, 4:52 AM PDT (11:52 UTC), 23 km (14 mi) below the surface.

A larger quake followed: M2.7 2 km E of Edmonds, Washington. This one was a foreshock.

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Map

Where this earthquake was located, with the others nearby. Select one for its page.

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The earthquake

Magnitude
1.5 (md), micro
Local time
UTC
1987-06-17 11:52:36 UTC
Depth
23.3 km (14.5 mi), shallow
Epicenter
48.551° N, 122.424° W
Tsunami flag
No
Status
Reviewed by a seismologist

Did you feel it?

No one has reported feeling this quake to the USGS.

How well it is located

Reviewed by a seismologist.

Location uncertainty
About 0.4 km horizontally, 0.8 km in depth
Magnitude uncertainty
±0.08
Depth from
From location
Station coverage gap
43°
Stations used
18

Nearest places

Distance and direction from each place to the epicenter, with its forecast.

Nearby

Within 100 km, magnitude 1.5 and up: 16 in the 60 days after this one and 5 in the 30 days before it.

After

  1. 1.66 km WNW of Orcas, Washington · 14339 days ago · 16 km deep · 45 km away
  2. 1.5Washington · 14339 days ago · 3 km deep · 77 km away
  3. 1.77 km S of Bellingham, Washington · 14337 days ago · -1 km deep · 17 km away
  4. 2.72 km E of Edmonds, Washington · 14335 days ago · 15 km deep · 82 km away
  5. 1.911 km SSW of Port Hadlock-Irondale, Washington · 14332 days ago · 50 km deep · 75 km away
  6. 2.48 km W of Port Townsend, Washington · 14331 days ago · 45 km deep · 59 km away
  7. 2.26 km WSW of Peaceful Valley, Washington · 14331 days ago · 16 km deep · 43 km away
  8. 2.45 km ESE of Oak Harbor, Washington · 14326 days ago · 25 km deep · 32 km away
  9. 1.55 km W of Lyman, Washington · 14326 days ago · -1 km deep · 21 km away
  10. 1.54 km SSW of Big Lake, Washington · 14310 days ago · 18 km deep · 23 km away
  11. 1.74 km E of Maple Falls, Washington · 14304 days ago · 0 km deep · 51 km away
  12. 1.55 km NNE of Duvall, Washington · 14295 days ago · 23 km deep · 92 km away
  13. 2.71 km N of Port Townsend, Washington · 14294 days ago · 22 km deep · 53 km away
  14. 2.06 km SW of Geneva, Washington · 14294 days ago · 12 km deep · 16 km away
  15. 1.55 km SSW of Geneva, Washington · 14293 days ago · 12 km deep · 17 km away
  16. 1.76 km SSW of Geneva, Washington · 14292 days ago · 12 km deep · 16 km away

Before

  1. 2.06 km NE of Duvall, Washington · 14345 days ago · 20 km deep · 93 km away
  2. 1.87 km S of Kendall, Washington · 14351 days ago · 13 km deep · 40 km away
  3. 1.910 km WSW of Friday Harbor, Washington · 14351 days ago · 33 km deep · 54 km away
  4. 2.13 km SSW of Clinton, Washington · 14360 days ago · 28 km deep · 68 km away
  5. 2.019 km SSE of Friday Harbor, Washington · 14368 days ago · 14 km deep · 44 km away

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Sources

From the USGS Earthquake Hazards Program and its partner networks, event uw10220598. Read Thu, Sep 24, 2026, 1:56 PM UTC.